<template>
  <el-main class="image-main" v-loading="loading">
    <div class="top p-3">
      <el-row :gutter="10">
        <el-col :span="6" :offset="0" v-for="(item, index) in list" :key="index">
          <el-card shadow="hover" class="relative mb-3" :body-style="{ 'padding': 0 }">
            <el-image :src="item.url" :preview-src-list="[item.url]" :initial-index="0" fit="cover" class="h-[150px]"
              style="width: 100%;"></el-image>
            <div class="image-title">{{ item.name }}</div>
            <div class="flex items-center justify-center p-2">
              <el-checkbox v-model="item.checked" v-if="openChoose" @change="handleChooseChange(item)" />
              <el-button type="primary" size="small" text @click="handleEdit(item)">重命名</el-button>
              <el-button type="primary" size="small" text>删除</el-button>
            </div>
          </el-card>
        </el-col>
      </el-row>


    </div>
    <div class="bottom">
      <el-pagination background layout="prev,pager, next" :total="total" :current-page="currentPage" :page-size="limit"
        @current-change="getData" />
    </div>
  </el-main>

  <el-drawer v-model="drawer" title="上传图片">
    <UploadFile :data="{ image_class_id }" @success="handleUploadSuccess" />
  </el-drawer>
</template>

<script setup>
import { ref, computed } from "vue"
import { getImageList, updateImage } from "@/api/http"
import UploadFile from "./UploadFile.vue";
import { showPrompt, toast } from '@/composables/util'
// 上传图片
const drawer = ref(false)
const openUploadFile = () => drawer.value = true

// 分页
const currentPage = ref(1)
const total = ref(0)
const limit = ref(10)
const list = ref([])
const loading = ref(false)
const image_class_id = ref(0)


// 获取数据
function getData(p = null) {
  if (typeof p == "number") {
    currentPage.value = p
  }

  loading.value = true
  getImageList(image_class_id.value, currentPage.value)
    .then(res => {
      total.value = res.data.totalCount
      list.value = res.data.list
    })
    .finally(() => {
      loading.value = false
    })
}

// 根据分类ID重新加载图片列表
const loadData = (id) => {
  currentPage.value = 1
  image_class_id.value = id
  getData()
}

//修改图片
const handleEdit = (item) => {
  showPrompt("重命名", item.name)
    .then(({ value }) => {

      loading.value = true
      updateImage(item.id, value)
        .then(res => {
          toast("修改成功")
          getData()
        })
        .finally(() => {
          loading.value = false
        })

    })
}


 defineProps({
  limit: {
    type: [Number,String],
    default: 1
  },
  openChoose: {
    type: Boolean,
    default: false
  }
})
// 选中的图片
const emit = defineEmits(["choose"])
const checkedImage = computed(() => list.value.filter(o => o.checked))

const handleChooseChange = (item) => {
  if (item.checked && checkedImage.value.length > 1) {
    item.checked = false
    return toast(`最多只能选中1张`, "error")
  }
  emit("choose", checkedImage.value)
}

defineExpose({
  loadData, openUploadFile
})


</script>

<style>
.image-main {
  position: relative;
}

.image-main .top {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  bottom: 50px;
  overflow-y: auto;
}

.image-main .bottom {
  position: absolute;
  bottom: 0;
  height: 50px;
  left: 0;
  right: 0;
  @apply flex items-center justify-center;
}

.image-title {
  position: absolute;
  top: 122px;
  left: -1px;
  right: -1px;
  @apply text-sm truncate text-gray-100 bg-opacity-50 bg-gray-800 px-2 py-1;
}
</style>